select * from qa limit 10;
update qa set an=replace(an,'";','')select split_part(c ,'****', 1),split_part(c ,'****', 2) from qa limit 100
update qa set an=split_part(c ,'****', 2)
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select * from qa limit 10;
update qa set an=replace(an,'";','')select split_part(c ,'****', 1),split_part(c ,'****', 2) from qa limit 100
update qa set an=split_part(c ,'****', 2)
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